Form welding practice of cryogenic pressure vessel production, the correct quality control measures during the vessel fabrication process are figured out.
结合低温压力容器的焊接生产实践，探讨了低温压力容器在制造过程中的质量控制问题。
Practice shows this fixture can ensure the fabrication accuracy, raise production efficiency.
生产实践证明，该夹具可有效保证加工精度，提高生产效率。
The cyberspace is established by the virtual-practice of the subject, and the fabrication is the most obvious feature.
主体性视角下的网络空间关系是主体虚拟实践所构建的，虚构性是其本质特征。
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